One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,3)(5,6)(7,8)(9,10,12,14)(11,15,16,13)(17,18,22,28,23,29,24,30)(19,26,31,27,20,32,21,25)(2,3)(9,11,12,16)(10,13,14,15)(17,19,23,20)(18,25,29,27)(21,24,31,22)(26,28,32,30)(10,14)(13,15)(17,20,24,31,23,19,22,21)(18,26,30,25,29,32,28,27)(1,3,4,2)(6,8)(11,16)(13,15)(17,21,22,19,23,31,24,20)(18,27,28,32,29,25,30,26)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.